pHash.org offers an open source library for generating perceptual hashes, helping you identify similar multimedia files based on their content.
Find similar images using perceptual hashes
pHash.org is the home of the open source perceptual hash library, designed for anyone who needs to compare multimedia files based on their actual content. Instead of just checking if files are identical, pHash lets you find images, audio, or video files that are visually or audibly similar—even if they're not exact copies.
Whether you're a developer building duplicate image detection, a researcher working with large media databases, or just curious about perceptual hashing, you can use pHash to generate 'fingerprints' that make similarity searches easy. The library is open source, so you can freely use, modify, or integrate it into your own projects.
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